Part 1 of 15 - 1.67/ 8.335 Points
Question 1 of 60 0.0/ 1.667 Points
Which of the following hormones is released in response to a nerve impulse?
A. epinephrine
B. testosterone
C. glucagon
D. insulin
E. cortisol
Answer Key: A
Feedback: Please review chapter 13.
Question 2 of 60 0.0/ 1.667 Points
The pituitary gland is attached to the hypothalamus by the
A. infundibulum.
B. intermediate mass.
C. corpus callosum.
D. epithalamus.
E. parafollicular cells.
Answer Key: A
Feedback: Please review chapter 13.
Question 3 of 60 1.67/ 1.667 Points
Melatonin is a hormone released by the
A. thymus gland.
B. pituitary gland.
C. adrenal gland.
D. pineal gland.
E. pancreas.
Answer Key: D
Question 4 of 60 0.0/ 1.667 Points
The hormone released in response to low blood calcium levels is
A. parathyroid hormone.
B. oxytocin.
C. growth hormone.
D. thyroxine.
E. calcitonin.
Answer Key: D
Please review chapter 13.
Question 5 of 60 0.0/ 1.667 Points
Abdominal fat is riskier than other adipose tissue because
A. fat cells in abdominal regions are more metabolically active and responsive to hormones.
B. the fat is turned into HDLs more easily.
C. people with abdominal fat tend to be sedentary
D. the fat compresses the small intestine making digestion difficult.
E. fat cells in abdominal regions are less metabolically active and less responsive to hormones.
Answer Key: A
Feedback: Please review chapter 13.
Part 2 of 15 - 5.0/ 8.335 Points
Question 6 of 60 0.0/ 1.667 Points
The thoracic duct
A. receives lymph from the left side of the head.
B. receives lymph from the upper right side of the body and empties the lymph into the right subclavian vein.
C. receives lymph from the upper right side of the body.
D. receives lymph from the left side of the head and empties the lymph into the right subclavian vein.
E. empties the lymph into the right subclavian vein.
Answer Key: A
Feedback: Please review chapter 17.
Question 7 of 60 0.0/ 1.667 Points
The cells that are important in preventing a disease from recurring are
A. plasma cells.
B. natural killer cells.
C. memory T-cells.
D. suppressor T-cells.
E. helper T-cells.
Answer Key: C
Feedback: Please review chapter 17.
Question 8 of 60 1.67/ 1.667 Points
All of the following are symptoms of inflammation EXCEPT
A. heat.
B. swelling.
C. numbness.
D. redness.
E. pain.
Answer Key: C
Feedback: Good job!
Question 9 of 60 1.67/ 1.667 Points
Lymphatic tissue is a specialized form of
A. reticular connective tissue.
B. glandular tissue.
C. loose connective tissue.
D. epithelial tissue.
E. elastic connective tissue.
Answer Key: A
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Question 10 of 60 1.67/ 1.667 Points
The lymphatic system
A. transports lipids from the gastrointestinal tract to the blood.
B. returns filtered plasma proteins to the cardiovascular system.
C. returns excess interstitial fluid to the cardiovascular system.
D. carries out immune responses.
E. All of the above are correct.
Answer Key: E
Feedback: Good job!
Part 3 of 15 - 3.33/ 6.668 Points
Question 11 of 60 0.0/ 1.667 Points
Minerals constitute about __________ % of the total body weight.
A. 8
B. 4
C. 6
D. 10
E. 2
Answer Key: B
Feedback: Please review chapter 20.
Question 12 of 60 1.67/ 1.667 Points
The amount of energy derived from nutrients is most commonly expressed in
A. kcalories.
B. newtons.
C. Daltons.
D. BTUs.
E. ergs.
Answer Key: A
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Question 13 of 60 0.0/ 1.667 Points
Before entering the Krebs cycle, pyruvic acid has to be decarboxylated and combined with
A. GTP.
B. ATP.
C. FADH.
D. NADH.
E. coenzyme A.
Answer Key: E
Feedback: Please review chapter 20.
Question 14 of 60 1.67/ 1.667 Points
Which of the following hormones are the main regulators of the basal metabolic rate (BMR)?
A. thyroid hormones
B. progesterone
C. insulin
D. vasopressin
E. estrogen
Answer Key: A
Feedback: Good job!
Part 4 of 15 - 3.33/ 6.668 Points
Question 15 of 60 0.0/ 1.667 Points
Leukocytes can be divided into three major groups.
A. True
B. False
Answer Key: B
Feedback: Review chapter 14
Question 16 of 60 1.67/ 1.667 Points
The protein in red blood cells that carries oxygen is
A. erythropoietin.
B. hemoglobin.
C. uribilonogen.
D. melatonin.
Answer Key: B
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Question 17 of 60 1.67/ 1.667 Points
Which of the following blood cells can develop into "wandering macrophages”?
A. monocytes
B. basophils
C. lymphocytes
D. eosinophils
Answer Key: A
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Question 18 of 60 0.0/ 1.667 Points
Which of the following is an agranular leukocyte?
thrombocyte
neutrophil
basophil
platelet
monocyte
A. neutrophil
B. basophil
C. monocyte
D. thrombocyte
Answer Key: C
Feedback: Review chapter 14
Part 5 of 15 - 8.34/ 8.335 Points
Question 19 of 60 1.67/ 1.667 Points
Which of the following represents the correct order of ECG waves?
A. QRS, P, T
B. QRS, T, P
C. T, QRS, P
D. P, QRS, T
Answer Key: D
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Question 20 of 60 1.67/ 1.667 Points
The left ventricle pumps the blood into the
A. descending aorta.
B. ascending aorta.
C. pulmonary trunk.
D. pulmonary vein.
Answer Key: B
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Question 21 of 60 1.67/ 1.667 Points
The P wave of an ECG indicates
A. atrial repolarization.
B. atrial depolarization.
C. ventricular depolarization.
D. ventricular repolarization.
Answer Key: B
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Question 22 of 60 1.67/ 1.667 Points
The blood vessel that carries blood highest in oxygen is the
A. superior vena cava.
B. pulmonary vein.
C. coronary artery.
D. ascending aorta.
Answer Key: B
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Question 23 of 60 1.67/ 1.667 Points
Blood transported by the pulmonary veins returns to the
A. right atrium.
B. left ventricle.
C. left atrium.
D. right ventricle.
Answer Key: C
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Part 6 of 15 - 5.0/ 6.668 Points
Question 24 of 60 1.67/ 1.667 Points
Within the cardiovascular system, blood only flows from regions of higher pressure to regions of lower pressure.
A. True
B. False
Answer Key: A
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Question 25 of 60 1.67/ 1.667 Points
Which of the following types of blood vessels act as blood reservoirs?
A. veins
B. venules.
C. capillaries
D. arteries
Answer Key: A
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Question 26 of 60 1.67/ 1.667 Points
Venous return to the heart occurs due to pressure created by
A. respiratory pump.
B. skeletal muscle pump.
C. contraction of the heart.
D. all the above.
Answer Key: D
Feedback: Good job!
Question 27 of 60 0.0/ 1.667 Points
Within the cardiovascular system, blood only flows from regions of higher pressure to regions of lower pressure.
A. True
B. False
Answer Key: A
Feedback: Review chapter 16
Part 7 of 15 - 1.67/ 8.335 Points
Question 28 of 60 0.0/ 1.667 Points
The exchange of gases between blood in the systemic capillaries and tissue cells is called
A. external respiration.
B. internal respiration.
C. pulmonary ventilation.
D. expiration.
Answer Key: B
Feedback: Review chapter 18
Question 29 of 60 0.0/ 1.667 Points
The chloride shift
A. involves movement of bicarbonate to outside of RBCs in exchange for chloride.
B. raises the chloride concentration of venous blood.
C. is necessary for efficient transport of oxygen by the blood.
D. only happens in people with emphysema.
Answer Key: A
Feedback: Review chapter 18
Question 30 of 60 1.67/ 1.667 Points
Painful or labored breathing is referred to as
.
A. rhinitis.
B. apnea.
C. dyspnea.
D. tachypnea.
Answer Key: C
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Question 31 of 60 0.0/ 1.667 Points
The fluid that lines the inside of the alveoli is produced by
A. cuboidal epithelial cells in the terminal
B. bronchioles.
C. alveolar macrophages.
D. surfactant-secreting cells.
Answer Key: D
Feedback: Review chapter 18
Question 32 of 60 0.0/ 1.667 Points
The nasal cavity is lined with
A. transitional epithelium.
B. ciliated pseudostratified columnar epithelium.
C. ciliated stratified columnar epithelium.
D. stratified columnar epithelium.
Answer Key: B
Feedback: Review capter 18
Part 8 of 15 - 5.0/ 8.335 Points
Question 33 of 60 0.0/ 1.667 Points
Teeth are primarily composed of a bone-like substance called
A. crown.
B. dentin.
C. enamel.
D. cementum.
Answer Key: B
Feedback: Review chapter 19
Question 34 of 60 0.0/ 1.667 Points
Substances absorbed into the blood in the small intestine are carried to the liver by the
A. hepatic artery.
B. hepatic portal vein.
C. common hepatic duct.
D. hepatic vein.
Answer Key: B
Feedback: Review chapter19
Question 35 of 60 1.67/ 1.667 Points
The ability of the GI tract to mix and move material along its length is called
A. motility.
B. digestion.
C. ingestion.
D. absorption.
Answer Key: A
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Question 36 of 60 1.67/ 1.667 Points
The digestion of proteins into peptides starts in the
A. duodenum.
B. esophagus.
C. stomach.
D. oral cavity.
Answer Key: C
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Question 37 of 60 1.67/ 1.667 Points
The organ that stores glycogen, vitamins (A, D, E, K), and minerals (iron and copper), and detoxifies certain chemicals like ammonia is the
A. liver.
B. stomach.
C. pancreas.
D. colon.
Answer Key: A
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Part 9 of 15 - 1.67/ 6.668 Points
Question 38 of 60 0.0/ 1.667 Points
Uric acid is formed from the catabolism of
A. nucleic acids.
B. creatine phosphate.
C. carbohydrates.
D. amino acids.
Answer Key: A
Feedback: Review chapter 21
Question 39 of 60 1.67/ 1.667 Points
All of the following are components of the urinary system EXCEPT the
A. ureter.
B. urinary bladder.
C. prostate gland.
D. urethra.
Answer Key: C
Feedback: Good job!
Question 40 of 60 0.0/ 1.667 Points
The glomerular filtration rate in a normal adult male is about
A. 120 liters a day.
B. 250 liters a day.
C. 180 liters a day.
D. 210 liters a day.
Answer Key: A
Feedback: Review chapter 21
Question 41 of 60 0.0/ 1.667 Points
An increase in the osmolarity of body fluids due to dehydration is sensed by osmoreceptors in the _________ leading to the release of _________ from the posterior pituitary gland.
A. hypothalamus; ADH
B. anterior pituitary gland; ADH
C. posterior pituitary gland; ADH
D. hypothalamus; aldosterone
Answer Key: A
Feedback: Review chapter 21
Part 10 of 15 - 5.0/ 8.335 Points
Question 42 of 60 1.67/ 1.667 Points
Sperm maturation involving the acquisition of motility and the ability to fertilize a secondary oocyte occurs in the
A. rete testes.
B. seminiferous tubules.
C. straight tubules.
D. epididymis.
Answer Key: D
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Question 43 of 60 0.0/ 1.667 Points
The external genitalia of the female are collectively called
A. mons pubis.
B. vulva.
C. labia.
D. clitoris.
Answer Key: B
Feedback: Review chapter 23
Question 44 of 60 0.0/ 1.667 Points
During spermatogenesis, the cells formed by meiosis II are called
A. spermatids.
B. primary spermatocytes.
C. sperm cells.
D. secondary spermatocytes.
Answer Key: A
Feedback: Review chapter 23
Question 45 of 60 1.67/ 1.667 Points
Oogenesis begins before birth, while spermatogenesis does not occur until puberty.
A. True
B. False
Answer Key: A
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Question 46 of 60 1.67/ 1.667 Points
Infertility in males becomes likely if the sperm count falls below
A. 40 million sperm/mL.
B. 50 million sperm/mL.
C. 30 million sperm/mL.
D. 20 million sperm/mL.
Answer Key: D
Feedback: Good job!
Part 11 of 15 - 1.67/ 6.668 Points
Question 47 of 60 0.0/ 1.667 Points
Of the sperm cells introduced into the vagina during sexual intercourse, what percentage actually reach the secondary oocyte?
A. 2 percent
B. less than 1 percent
C. 5 percent
D. 12 percent
Answer Key: B
Feedback: Review chapter 24
Question 48 of 60 0.0/ 1.667 Points
Before a sperm cell can fertilize an ovum, it has to undergo a series of changes in the female reproductive tract called __________.
A. capacitation.
B. maturation.
C. lubrication.
D. palpation.
Answer Key: A
Feedback: Review chapter 24
Question 49 of 60 1.67/ 1.667 Points
Birth typically occurs __________ weeks after fertilization.
A. 32
B. 38
C. 34
D. 30
Answer Key: B
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Question 50 of 60 0.0/ 1.667 Points
The fetal period refers to the time of development extending from the end of the __________ month after fertilization until birth.
A. 3rd
B. 1st
C. 2nd
D. 4th
Answer Key: C
Feedback: Review chapter 24
Part 12 of 15 - 3.33/ 3.334 Points
Question 51 of 60 1.67/ 1.667 Points
Which of the following hormones DIRECTLY causes hormones to be secreted by the thyroid gland.
A. TSH
B. T3
C. T4
D. TRH
Answer Key: A
Feedback: Excellent work!
Question 52 of 60 1.67/ 1.667 Points
In the metabolism experiment with the rats, if the rats in the chamber were engaged in physical activity (such as running in a wheel), how would this change the results of the metabolism experiment?
A. Metabolic rates can be expected to decrease with physical activity.
B. Metabolic rates can be expected to increase with physical activity.
Answer Key: B
Feedback: Excellent work!
Part 13 of 15 - 1.67/ 5.0010004 Points
Question 53 of 60 1.67/ 1.667 Points
The frog's heart is composed of two atria and two fully divided ventricles.
True
False
Answer Key: False
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Question 54 of 60 0.0/ 1.667 Points
What happens during Phase 2 of cardiac muscle depolarization?
A. "The plateau phase"; when the membrane remains in a depolarized state; potassium channels stay closed and calcium channels stay open.
B. Period of resting potential until the next depolarization.
C. Membrane potential falls slightly and then rebounds as potassium flow out of the cell decreases and calcium flows into the cell.
D. Rapid upswing in membrane potential; sodium ions enter cardiac cell.
Answer Key: A
Feedback: Please review Exercise 6.
Question 55 of 60 0.0/ 1.667 Points
Which of the following will cause a decrease in heart rate?
A. parasympathetic nervous system stimulation
B. sympathetic nervous system stimulation
C. vagal nerve stimulation
D. Both A and C.
Answer Key: D
Part 14 of 15 - 1.67/ 5.0010004 Points
Question 56 of 60 0.0/ 1.667 Points
Rate and depth of breathing, hyperventilation, and hypoventilation have little to no effect of the acid-base balance of blood.
True
False
Answer Key: False
Feedback: Please review Exercise 7.
Question 57 of 60 1.67/ 1.667 Points
How much air is is typically inspired and expired per breath during quiet breathing?
A. 500 mL
B. 1000 mL
C. 250 mL
D. 2000 mL
Answer Key: A
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Question 58 of 60 0.0/ 1.667 Points
Vital capacity + residual volume =
A. Total lung capacity
B. The volume of a normal breath.
C. Tidal volume
D. Forced expiratory volume (FEV1)
Answer Key: A
Feedback: Please review Exercise 7.
Part 15 of 15 - 3.33/ 3.334 Points
Question 59 of 60 1.67/ 1.667 Points
The renal corpuscle is known as the functional unit of the kidney.
True
False
Answer Key: False
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Question 60 of 60 1.67/ 1.667 Points
The movement of filtered solutes and water from the lumen of the renal tubules back into the plasma is known as reabsorption.
True
False
Answer Key: True
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