Anatomy and Physiology

Vasodilation is associated with: (Multiple Choice)

Vasodilation is associated with: (Multiple Choice)

Vasodilation is associated with:
 
  a. increased sympathetic nervous system stimulation
 b. increased carbon dioxide and nitric oxide levels
 c. increased oxygen levels and myogenic activity
 d. decreased nitric oxide level

Lmac200   71   3 Replies

Farloo014

What part of the body doesn't have 1 receptors within its arterioles?

What part of the body doesn't have 1 receptors within its arterioles?

What part of the body doesn't have 1 receptors within its arterioles?
 
  a. the brain
 b. the kidneys
 c. the small intestine
  d. the skin
 e. the heart


(Question 2) Which neuromodulator is not c

smcc617   31   2 Replies

smcc617

The large holes within the leaky capillaries of the kidneys and intestines are known as:

The large holes within the leaky capillaries of the kidneys and intestines are known as:

The large holes within the leaky capillaries of the kidneys and intestines are known as:
 
  a. micro pores
 b. macro pores
 c. Fick's funnels
  d. fenestrations
 e. capillary beds


(Question 2) The

lover   54   2 Replies

lover

Under resting conditions, what percent of the body's total blood volume is within the venous ...

Under resting conditions, what percent of the body's total blood volume is within the venous ...

Under resting conditions, what percent of the body's total blood volume is within the venous system?
 
  a. 60
  b. 54
  c. 48
  d. 40
  e. 33


(Question 2) During accommodation for near vision,

MalorieB   56   3 Replies

Lewibr02

Which hormone controls water balance in the bloodstream?

Which hormone controls water balance in the bloodstream?

Which hormone controls water balance in the bloodstream?
 
  a. vasopressin
  b. renin
 c. angiotensin
  d. aldosterone
  e. dopamine


(Question 2) The blind spot
 
  a. is the point on t

Angellady   45   3 Replies

evyan

The most important baroreceptors involved in the moment-to-moment regulation of blood pressure are ...

The most important baroreceptors involved in the moment-to-moment regulation of blood pressure are ...

The most important baroreceptors involved in the moment-to-moment regulation of blood pressure are located in the:
 
  a. medulla and glossopharyngeal nerve
 b. internal carotid and vagus nerve
 c. carotid sinus and aortic arch

tutubella   56   3 Replies

medes1

Arteries carry blood from the organs towards the heart.

Arteries carry blood from the organs towards the heart.

Arteries carry blood from the organs towards the heart.
 
  a. True
  b. False
  Indicate whether the statement is true or false


(Question 2) Which of the following does not occur in a photoreceptor during e

Bowhunter522   51   2 Replies

Bowhunter522

When a tissue's blood supply is blocked, carbon dioxide levels decrease in the deprived tissue. ...

When a tissue's blood supply is blocked, carbon dioxide levels decrease in the deprived tissue. ...

When a tissue's blood supply is blocked, carbon dioxide levels decrease in the deprived tissue.
 
  a. True
  b. False
  Indicate whether the statement is true or false


(Question 2) What condition is caused

guccigangcuggu   46   3 Replies

Loay963

Discontinuous capillaries form large channels known as sinusoids that are 100 times wider than ...

Discontinuous capillaries form large channels known as sinusoids that are 100 times wider than ...

Discontinuous capillaries form large channels known as sinusoids that are 100 times wider than traditional capillaries.
 
  a. True
  b. False
  Indicate whether the statement is true or false


(Question 2) W

jj35   40   3 Replies

karma_0723

Each sensory neuron responds to stimulus information within its ____________________, which is a ...

Each sensory neuron responds to stimulus information within its ____________________, which is a ...

Each sensory neuron responds to stimulus information within its ____________________, which is a circumscribed region of the skin surface surrounding it.
 
  Fill in the blank(s) with correct word


(Question 2) The glo

juicymae92   34   2 Replies

juicymae92

Light is a form of electromagnetic radiation composed of particle-like individual packets of energy ...

Light is a form of electromagnetic radiation composed of particle-like individual packets of energy ...

Light is a form of electromagnetic radiation composed of particle-like individual packets of energy called ____________________ that travel in wavelike fashion.
 
  Fill in the blank(s) with correct word


(Question 2)

roddyrodrod   57   3 Replies

sandhya@123

___________ is the eye pigment that detects light in conjunctions with setting the body's ...

___________ is the eye pigment that detects light in conjunctions with setting the body's ...

___________ is the eye pigment that detects light in conjunctions with setting the body's biological clock.
 
  Fill in the blank(s) with correct word


(Question 2) Afferent arteriolar vasoconstriction ____ blood flow

swimgal16   68   1 Reply

dzhu917

Myopia is another name for ____________________. (Fill in the blank)

Myopia is another name for ____________________. (Fill in the blank)

Myopia is another name for ____________________.
 
  Fill in the blank(s) with correct word


(Question 2) Tubular reabsorption
 
  a. involves the movement of substances from the peritubular capillaries into

sswise1   92   1 Reply

xstealthx08

Compare acute and chronic pain in regard to neural processing. What will be an ideal ...

Compare acute and chronic pain in regard to neural processing. What will be an ideal ...

Compare acute and chronic pain in regard to neural processing.
 
  What will be an ideal response?


(Question 2) Glucose is not normally found in the urine because:
 
  a. does not get filtered out of glomer

bigt246823   57   2 Replies

bigt246823

Innervation of a single target by both branches of the ANS

Innervation of a single target by both branches of the ANS

Innervation of a single target by both branches of the ANS
 
  a. is called dual innervation
  b. occurs only for a small number of organs
  c. occurs only for sweat gland
  d. both (a) and (b)
  e. both (a) and (c)

123kduncan   76   3 Replies

Awura

Which cell type does not release acetylcholine as its primary neurotransmitter?

Which cell type does not release acetylcholine as its primary neurotransmitter?

Which cell type does not release acetylcholine as its primary neurotransmitter?
 
  a. sympathetic preganglionic
  b. sympathetic postganglionic
  c. parasympathetic preganglionic
  d. sympathetic postganglionic
  e. al

tameeka314   61   3 Replies

Betardsamere

Select the incorrect statement about the parasympathetic nervous system.

Select the incorrect statement about the parasympathetic nervous system.

Select the incorrect statement about the parasympathetic nervous system.
 
  a. It signals cardiac muscle and smooth muscle.
  b. Its postganglionic fibers release norepinephrine.
  c. Its preganglionic fibers release ACh.
 

Sqwill23   46   2 Replies

Sqwill23

This receptor responds to acetylcholine from both sympathetic and parasympathetic preganglionic ...

This receptor responds to acetylcholine from both sympathetic and parasympathetic preganglionic ...

This receptor responds to acetylcholine from both sympathetic and parasympathetic preganglionic fibers:
 
  a. muscarinic
  b. alpha
  c. beta
  d. nicotinic


(Question 2) Na+ reabsorption
 
 

Leahlaibe   56   3 Replies

wert123

Which statement characterizes sympathetic activity?

Which statement characterizes sympathetic activity?

Which statement characterizes sympathetic activity?
 
  a. blood vessels with alpha receptors dilate.
  b. the bronchioles constrict.
  c. the pupils of the eye dilate.
  d. the secretion of the sweat glands is inhibited.

SpacySmol   57   3 Replies

bubsjhoff128

Which type of receptor binds norepinephrine on cardiac muscle, thus increasing cardiac activity? ...

Which type of receptor binds norepinephrine on cardiac muscle, thus increasing cardiac activity? ...

Which type of receptor binds norepinephrine on cardiac muscle, thus increasing cardiac activity?
 
  a. cholinergic.
  b. nicotinic.
  c. alpha.
  d. beta1.
  e. beta2.


(Question 2) Water reabsorpt

Irelandgb   63   3 Replies

ERCH6FJ

Select the correct statement about efferent neurons.

Select the correct statement about efferent neurons.

Select the correct statement about efferent neurons.
 
  a. their cell bodies are located in dorsal root ganglia.
  b. they are part of a two-neuron chain in the autonomic nervous system.
  c. they arise peripherally at a recepto

Darkflower73   99   2 Replies

Darkflower73

Select the correct statement about the neuromuscular junction.

Select the correct statement about the neuromuscular junction.

Select the correct statement about the neuromuscular junction.
 
  a. AChE activity is absent here.
  b. It involves presynaptic neurons of the autonomic nervous system.
  c. It is a junction between two neurons.
  d. It is

daisy1234567   70   2 Replies

daisy1234567

The terminals of both autonomic nerve fibers and motor neurons end in a single, enlarged knoblike ...

The terminals of both autonomic nerve fibers and motor neurons end in a single, enlarged knoblike ...

The terminals of both autonomic nerve fibers and motor neurons end in a single, enlarged knoblike structure that releases neurotransmitter.
 
  Indicate whether the statement is true or false


(Question 2) Plasma clear

nevinjoshy2001   55   1 Reply

Za_bby97

In the absence of the autonomic nervous system motor activity of cardiac and smooth muscle would ...

In the absence of the autonomic nervous system motor activity of cardiac and smooth muscle would ...

In the absence of the autonomic nervous system motor activity of cardiac and smooth muscle would cease.
 
  Indicate whether the statement is true or false


(Question 2) Which of the following statements concerning the

lemalcolm   66   2 Replies

lemalcolm

Parasympathetic activation of sweat glands occurs to help reduce body temperatures. (True or false?)

Parasympathetic activation of sweat glands occurs to help reduce body temperatures. (True or false?)

Parasympathetic activation of sweat glands occurs to help reduce body temperatures.
 
  Indicate whether the statement is true or false


(Question 2) The vertical osmotic gradient in the kidney
 
  a. is est

hanbell795   62   2 Replies

hanbell795

Action potentials are transmitted on a one-to-one basis at both a neuromuscular junction and a ...

Action potentials are transmitted on a one-to-one basis at both a neuromuscular junction and a ...

Action potentials are transmitted on a one-to-one basis at both a neuromuscular junction and a synapse.
 
  Indicate whether the statement is true or false


(Question 2) Select the incorrect statement about ADH.
 

madisenjames   69   2 Replies

madisenjames

A sympathetic agonist drug would cause a faster heart rate and dilated pupils. (True or false?)

A sympathetic agonist drug would cause a faster heart rate and dilated pupils. (True or false?)

A sympathetic agonist drug would cause a faster heart rate and dilated pupils.
 
  Indicate whether the statement is true or false


(Question 2) Vasopressin
 
  a. is produced in the hypothalamus.
  b.

boobear86   53   2 Replies

mayyyy

Nicotinic and muscarinic receptors are the two kinds of adrenergic receptors. (True or false?)

Nicotinic and muscarinic receptors are the two kinds of adrenergic receptors. (True or false?)

Nicotinic and muscarinic receptors are the two kinds of adrenergic receptors.
 
  Indicate whether the statement is true or false


(Question 2) The segment of the nephron that is not permeable to H2O even in the presen

jibbyjam1   57   2 Replies

jibbyjam1

Binding of ACh with receptor sites on the motor end plate opens chemical messenger-gated cation ...

Binding of ACh with receptor sites on the motor end plate opens chemical messenger-gated cation ...

Binding of ACh with receptor sites on the motor end plate opens chemical messenger-gated cation channels in the motor end plate, bringing about depolarization of the motor end plate.
 
  Indicate whether the statement is true or false
[

seterria   72   2 Replies

seterria

The two divisions of the autonomic nervous system are the ____________________ nervous system, which ...

The two divisions of the autonomic nervous system are the ____________________ nervous system, which ...

The two divisions of the autonomic nervous system are the ____________________ nervous system, which dominates in fight-or-flight situations, and the ____________________ nervous system, which dominates in quiet, relaxed situations.
 
  Fi

zariacofer9   76   1 Reply

raven2ill

The ____________________ is a modified sympathetic ganglion that does not give rise to ...

The ____________________ is a modified sympathetic ganglion that does not give rise to ...

The ____________________ is a modified sympathetic ganglion that does not give rise to postganglionic fibers but instead secretes hormones similar or identical to sympathetic postganglionic neurotransmitters into the blood.
 
  Fill in the

vanpac   59   2 Replies

vanpac

Sympathetic activity inhibits the secretion of ____________________ from the pancreas. (Fill in the blank)

Sympathetic activity inhibits the secretion of ____________________ from the pancreas. (Fill in the blank)

Sympathetic activity inhibits the secretion of ____________________ from the pancreas.
 
  Fill in the blank(s) with correct word


(Question 2) Typically, of the 125 ml of plasma filtered per minute, 124 ml/min are rea

abbyraelax   29   2 Replies

abbyraelax

Depolarization of the motor end plate results from more ____________________ ions entering the cell ...

Depolarization of the motor end plate results from more ____________________ ions entering the cell ...

Depolarization of the motor end plate results from more ____________________ ions entering the cell than ____________________ ions leaving the cell.
 
  Fill in the blank(s) with correct word


(Question 2) The Bowman's

Leahlaibe   50   3 Replies

flwoerdust

What are the various ways in which toxins can interfere with normal neuron function? What will be ...

What are the various ways in which toxins can interfere with normal neuron function? What will be ...

What are the various ways in which toxins can interfere with normal neuron function?
 
  What will be an ideal response?


(Question 2) Autoregulation of the GFR is accomplished by activation of the sympathetic nervous

SpacySmol   34   3 Replies

evyan

Which protein contributes to the elasticity of the sarcomere?

Which protein contributes to the elasticity of the sarcomere?

Which protein contributes to the elasticity of the sarcomere?
 
  a. actin
  b. myosin
  c. troponin
  d. tropomysosin
  e. titin


(Question 2) Both acute and chronic renal failure are reversible.

buttsuni   56   2 Replies

buttsuni

Sarcomeres are arranged end to end as

Sarcomeres are arranged end to end as

Sarcomeres are arranged end to end as
 
  a. fascicles.
  b. myofibrils.
  c. bands.
  d. perimysium.
  e. none of these answers.


(Question 2) Tubular ____________________ and tubular _____________

Darkflower73   66   2 Replies

Darkflower73

The striated appearance of skeletal muscle is due to the

The striated appearance of skeletal muscle is due to the

The striated appearance of skeletal muscle is due to the
 
  a. regular arrangement of the T tubules running transversely through the muscle fiber.
  b. presence of the Z lines extending down the middle of the I bands.
  c. prese

zc323   67   1 Reply

impostine

The light and dark bands of a sarcomere are generated by the overlap of:

The light and dark bands of a sarcomere are generated by the overlap of:

The light and dark bands of a sarcomere are generated by the overlap of:
 
  a. actin and troponin
  b. actin and tropomyosin
  c. actin and myosin
  d. myosin and troponin
  e. myosin and tropomyosin


([b

guccigangcuggu   40   2 Replies

guccigangcuggu

During muscle contraction, the (Multiple Choice)

During muscle contraction, the (Multiple Choice)

During muscle contraction, the
 
  a. contractile proteins contract.
  b. contractile proteins shorten
  c. A band becomes smaller
  d. I band remains unchanged.
  e. amount of calcium in the cytosol remains constant[b

Sqwill23   72   3 Replies

Gizzy10

The sarcolemma (Multiple Choice)

The sarcolemma (Multiple Choice)

The sarcolemma
 
  a. is the muscle cell plasma membrane
  b. provide a means of rapidly transmitting the action potential from the surface into the central portions of the muscle fiber.
  c. store ATP.
  d. run longitudinal

katielc23   61   3 Replies

killmenowplease