Q: Which equation correctly represents the calculation of Body Mass Index (BMI)?

$$\text{BMI} = \frac{\text{weight (kg)}}{\text{height (m)}^2}$$

Q: Which equation represents the calculation of glomerular filtration rate (GFR)?

$$\text{GFR} = \text{NFP} \times \text{K}_f$$

Question 1

Which of the following papillae on the tongue are primarily responsible for taste sensation and contain taste buds?

Accepted Answer

Fungiform papillae

Question 2

A patient presents with yellowing of the skin and eyes. Laboratory tests reveal elevated bilirubin levels. Which digestive organ is most likely compromised, and what is the primary function of this organ related to bilirubin?

Accepted Answer

Liver; metabolizes and excretes bilirubin

Question 3

During the swallowing mechanism, which of the following events prevents food from entering the respiratory tract?

Accepted Answer

Closure of the epiglottis over the larynx

Question 4

Which of the following best describes the difference between segmentation and peristalsis in the small intestine?

Accepted Answer

Segmentation mixes food by local contractions, peristalsis propels food forward by coordinated contractions

Question 5

Which pigment is responsible for the brown coloration of feces?

Accepted Answer

Stercobilin

Question 6

A patient with cirrhosis is likely to experience which of the following complications due to impaired liver function?

Accepted Answer

Decreased production of bile, leading to fat malabsorption

Question 7

Which equation correctly represents the calculation of Body Mass Index (BMI)?

Accepted Answer

$$	ext{BMI} = \frac{	ext{weight (kg)}}{	ext{height (m)}^2}$$

Question 8

Which hormone is primarily responsible for stimulating hunger, and which brain area does it act upon?

Accepted Answer

Ghrelin; hypothalamus

Question 9

Which of the following statements about the absorptive and post-absorptive states is correct?

Accepted Answer

The absorptive state is dominated by anabolic processes and insulin secretion

Question 10

Which capillary bed in the nephron is responsible for filtration, and what is the main driving force for this process?

Accepted Answer

Glomerulus; hydrostatic pressure

Question 11

Which of the following substances is primarily reabsorbed in the proximal convoluted tubule (PCT) of the nephron?

Accepted Answer

Glucose

Question 12

Which hormone increases sodium reabsorption in the distal convoluted tubule, and what is the effect on blood pressure?

Accepted Answer

Aldosterone; increases blood pressure

Question 13

Which equation represents the calculation of glomerular filtration rate (GFR)?

Accepted Answer

$$	ext{GFR} = 	ext{NFP} 	imes 	ext{K}_f$$

Question 14

Which buffer system is most effective in regulating pH in the extracellular fluid (ECF)?

Accepted Answer

Bicarbonate buffer system

Question 15

A patient with hyperkalemia (elevated potassium levels) is at risk for which of the following cardiac complications?

Accepted Answer

Arrhythmias due to altered resting membrane potential

Question 16

Which of the following is NOT a way that parathyroid hormone (PTH) increases blood calcium levels?

Accepted Answer

Decreasing calcium absorption in the intestines

Question 17

Which of the following best describes the function of the blood-testis barrier?

Accepted Answer

Protects developing sperm from immune system attack

Question 18

Which muscle assists in keeping the testes at a temperature lower than body temperature, and what is its mechanism?

Accepted Answer

Cremaster muscle; contracts to pull testes closer to the body

Question 19

Which hormone is primarily responsible for stimulating ovulation during the ovarian cycle?

Accepted Answer

Luteinizing hormone (LH)

Question 20

During the menstrual cycle, which phase is characterized by the shedding of the endometrial lining, and which hormone levels are low during this phase?

Accepted Answer

Menstrual phase; low estrogen and progesterone

Comprehensive Study Guidance for Anatomy and Physiology II Exam #3

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