Anatomy and Physiology

7 years ago

In the model for quiet breathing, expiration is induced by

In the model for quiet breathing, expiration is induced by
A) activation of inspiratory neurons in the dorsal respiratory center.
B) activation of expiratory neurons in the ventral respiratory center.
C) activation of expiratory neuron

Beanieman 126 3 Replies

7 years ago

A decrease in the affinity of oxygen for hemoglobin is reflected as a ________ shift in the hemoglob

A decrease in the affinity of oxygen for hemoglobin is reflected as a ________ shift in the hemoglobin-oxygen dissociation curve, which would facilitate the ________ of oxygen.
A) rightward : unloading
B) leftward : unloading
C) leftwa

Beanieman 126 3 Replies

7 years ago

Contraction of skeletal muscle fibers is stimulated by what type of neuron?

Contraction of skeletal muscle fibers is stimulated by what type of neuron?
A) afferent
B) autonomic
C) sympathetic
D) motor
E) parasympathetic

Beanieman 126 3 Replies

7 years ago

Which of the following is NOT a mechanism whereby glomerular filtration rate is regulated?

Which of the following is NOT a mechanism whereby glomerular filtration rate is regulated?
A) mesangial cell contraction
B) sympathetic nervous system
C) granular cell contraction
D) myogenic regulation
E) tubuloglomerular fe

Beanieman 126 3 Replies

7 years ago

The amount of a substance excreted from the kidneys is calculated by which of the following equation

The amount of a substance excreted from the kidneys is calculated by which of the following equations?
A) filtration - (secretion × reabsorption)
B) filtration + secretion + reabsorption
C) filtration + (secretion × reabsorption)

Beanieman 126 3 Replies

7 years ago

Which tubule drains into the minor calyces?

Which tubule drains into the minor calyces?
A) distal tubule
B) Bowman's capsule
C) proximal tubule
D) collecting duct
E) loop of Henle

Beanieman 126 3 Replies

7 years ago

(Clearance / Secretion) is a measure of the volume of plasma from which a substance is completely re

(Clearance / Secretion) is a measure of the volume of plasma from which a substance is completely removed by the kidneys.

Beanieman 126 2 Replies

Beanieman

7 years ago

Respiratory compensation for changes in pH is originated by

Respiratory compensation for changes in pH is originated by
A) proprioceptors.
B) directly affecting the activity of the diaphragm.
C) central chemoreceptors.
D) peripheral chemoreceptors.
E) baroreceptors.

Beanieman 126 3 Replies

7 years ago

Bicarbonate crosses the apical membrane of the proximal tubule byA) Na to power of ((+))/HCO3- cotra

Bicarbonate crosses the apical membrane of the proximal tubule by
A) Na to power of ((+))/HCO3- cotransporters.
B) conversion to carbon dioxide.
C) Na to power of ((+))/HCO3- countertransporters.
D) HCO3-/Cl- countertransporters.

Beanieman 126 3 Replies

7 years ago

Hyaline cartilage is found in the ears and part of the larynx.

Cali Fornia 126 2 Replies

7 years ago

In the knee joint, the medial meniscus is:

In the knee joint, the medial meniscus is:
A) hyaline cartilage.
B) fibrocartilage.
C) elastic cartilage.
D) dense regular collagenous connective tissue.

Cali Fornia 126 1 Reply

blightermourn

7 years ago

What influences the appearance and function of skeletal muscle?

What influences the appearance and function of skeletal muscle?
A) arrangement of the pattern of fascicles
B) number of muscle cells in a motor unit
C) presence of perimysium around fascicles
D) presence of endomysium around muscl

Cali Fornia 126 2 Replies

7 years ago

What is NOT a bone to which the sternocleidomastoid muscle is attached?

What is NOT a bone to which the sternocleidomastoid muscle is attached?
A) mandible
B) clavicle
C) sternum
D) temporal bone

Cali Fornia 126 2 Replies

7 years ago

Identify the biceps femoris muscle.

Identify the biceps femoris muscle.

A) A
B) B
C) C
D) D

Cali Fornia 126 2 Replies

7 years ago

The loss of potassium ions from the cell during the repolarization stage restores a membrane ...

The loss of potassium ions from the cell during the repolarization stage restores a membrane potential of -85 mV.

Cali Fornia 126 2 Replies

7 years ago

Neurons are responsible for sending and receiving signals referred to as action potentials while ...

Neurons are responsible for sending and receiving signals referred to as action potentials while neuroglial cells serve a variety of supportive functions.

Cali Fornia 126 2 Replies

7 years ago

Predict the impact on the gag reflex when a person has a damaged vagus nerve.

Cali Fornia 126 2 Replies

7 years ago

Where does the conscious awareness of sound begin, along with the analysis of its pitch, location, ...

Where does the conscious awareness of sound begin, along with the analysis of its pitch, location, and loudness?
A) frontal lobe
B) parietal lobe
C) occipital lobe
D) temporal lobe

Cali Fornia 126 2 Replies

7 years ago

Which of the following hormones decreases heart rate, and thus cardiac output and blood pressure?

Which of the following hormones decreases heart rate, and thus cardiac output and blood pressure?
A) angiotensin-II
B) acetylcholine
C) epinephrine
D) norepinephrine

Cali Fornia 126 1 Reply

clockfitness

7 years ago

Damage to the external iliac artery will affect delivery of blood to the:

Damage to the external iliac artery will affect delivery of blood to the:
A) abdominal organs.
B) lower limb.
C) upper limb.
D) brain.

Cali Fornia 126 1 Reply

torchunicycle

7 years ago

The anterior and posterior tibial veins merge to form the:

The anterior and posterior tibial veins merge to form the:
A) external iliac vein.
B) medial plantar vein.
C) femoral vein.
D) great saphenous vein.

Cali Fornia 126 1 Reply

Decrepit_

7 years ago

Hemostasis is mediated by: (Multiple Choice)

Hemostasis is mediated by:
A) lymphocytes.
B) erythrocytes.
C) monocytes.
D) platelets.

Cali Fornia 126 2 Replies

7 years ago

Which of the following is NOT a cardinal sign of inflammation?

Which of the following is NOT a cardinal sign of inflammation?
A) swelling (edema)
B) cold
C) redness
D) pain

Cali Fornia 126 2 Replies

7 years ago

Of the three regions of the pharynx, only the nasopharynx and laryngopharynx are part of the ...

Of the three regions of the pharynx, only the nasopharynx and laryngopharynx are part of the alimentary canal.

Cali Fornia 126 1 Reply

UnluckyGirlXOX

7 years ago

Explain how peristalsis and segmentation in the small intestine differ.

Cali Fornia 126 1 Reply

waspchichester

7 years ago

When electrons are lost from one substance, they are transferred to another molecule in reactions ...

When electrons are lost from one substance, they are transferred to another molecule in reactions known as:
A) phosphorylation reactions.
B) synthesis reactions.
C) oxidation-reduction reactions.
D) endergonic reactions.

Cali Fornia 126 2 Replies

7 years ago

From what part of a triglyceride are ketone bodies produced?

From what part of a triglyceride are ketone bodies produced?
A) NADH
B) acetyl-CoA
C) glyceraldehyde-3-phosphate
D) glycerol

Cali Fornia 126 1 Reply

crackerspoppy

7 years ago

At what point in life does spermatogenesis begin in a male?

At what point in life does spermatogenesis begin in a male?
A) before birth
B) birth
C) childhood
D) puberty

Cali Fornia 126 2 Replies

7 years ago

What color will blood exhibit if it has a high oxygen content?

What color will blood exhibit if it has a high oxygen content?
A) Purple
B) Colorless
C) Blue
D) Bright red

go90 126 2 Replies

6 years ago

The molecule made by mitochondria that provides the power to the cell is ________.

The molecule made by mitochondria that provides the power to the cell is ________.
A) DNA
B) ATP
C) ADP
D) RNA

go90 126 2 Replies

6 years ago

________ is pus in the pleural space.

________ is pus in the pleural space.
A) Hemothorax
B) Hydrothorax
C) Empyema
D) Pleural effusion

earwig 126 1 Reply

shaigh

7 years ago

Joshua has been complaining about pyrosis after his meals. Which of the following is probably the ...

Joshua has been complaining about pyrosis after his meals. Which of the following is probably the primary cause of this condition?
A) The lower esophageal sphincter remains open for too long.
B) Peristalsis is too slow.
C) The cardiac

go90 126 2 Replies

6 years ago

Progressive fluctuating muscle weakness, often starting in the facial or eye muscles are signs and ...

Progressive fluctuating muscle weakness, often starting in the facial or eye muscles are signs and symptoms of which disease?
A) Fibromyalgia syndrome
B) Myasthenia gravis
C) Duchenne muscular dystrophy
D) Mitochondrial myopathy

earwig 126 1 Reply

shaigh

7 years ago

The layer of epithelial tissue under the fingernail, actually part of the epidermis, is called ...

The layer of epithelial tissue under the fingernail, actually part of the epidermis, is called ________.
A) The nail body
B) The nail bed
C) The lunula
D) The cuticle

go90 126 2 Replies

6 years ago

A college student had a depressed mood and trouble falling asleep. Which chemical neurotransmitter ...

A college student had a depressed mood and trouble falling asleep. Which chemical neurotransmitter could cause such problems?
A) Endorphins
B) Serotonin
C) Epinephrine
D) Acetylcholine

go90 126 2 Replies