Question 1

A patient presents with a blockage in the pulmonary trunk. Which of the following best describes the immediate effect on blood flow through the heart?

Accepted Answer

Blood will be unable to flow from the right ventricle to the lungs, causing increased right ventricular pressure.

Question 2

Which of the following best explains why the left ventricular wall is thicker than the right ventricular wall?

Accepted Answer

The left ventricle must generate higher pressure to distribute blood throughout the systemic circulation.

Question 3

A histology slide shows ciliated pseudostratified columnar epithelium with numerous goblet cells. Which structure are you most likely observing?

Accepted Answer

Trachea

Question 4

During swallowing, which structure prevents food from entering the trachea?

Accepted Answer

Epiglottis

Question 5

A patient with damage to the glomerular (Bowman's) capsule would most likely experience which of the following?

Accepted Answer

Reduced filtration of blood plasma into the nephron

Question 6

Which of the following correctly traces the flow of blood through the kidney?

Accepted Answer

Renal artery → Interlobar artery → Arcuate artery → Interlobular artery → Afferent arteriole → Glomerulus

Question 7

A patient has a tumor compressing the common bile duct. Which digestive process is most directly affected?

Accepted Answer

Emulsification of dietary fats in the small intestine

Question 8

Which of the following best describes the function of Peyer's patches in the small intestine?

Accepted Answer

Immune surveillance and protection against pathogens

Question 9

A histology slide of the uterus shows a thick, muscular layer. What is the primary function of this layer?

Accepted Answer

To contract during labor and delivery

Question 10

Which of the following structures is responsible for the majority of water reabsorption in the nephron?

Accepted Answer

Proximal convoluted tubule (PCT)

Question 11

A patient with a congenital defect in the tricuspid valve would most likely experience abnormal blood flow between which two chambers?

Accepted Answer

Right atrium and right ventricle

Question 12

Which of the following best describes the role of the diaphragm in respiration?

Accepted Answer

Contracts to increase thoracic volume, causing inspiration

Question 13

A patient with a blockage at the pyloric sphincter would most likely experience which of the following symptoms?

Accepted Answer

Delayed gastric emptying into the duodenum

Question 14

Which of the following is the correct sequence of structures sperm passes through from the testis to the external urethral orifice?

Accepted Answer

Epididymis → Vas deferens → Ejaculatory duct → Prostatic urethra → Membranous urethra → Spongy urethra

Question 15

Which equation best represents the relationship between cardiac output, heart rate, and stroke volume?

Accepted Answer

$$CO = HR 	imes SV$$

Question 16

A patient with a deficiency in goblet cells in the respiratory tract would most likely experience which of the following?

Accepted Answer

Reduced mucus production, leading to increased risk of respiratory infections

Question 17

Which of the following best describes the function of the collecting duct in the nephron?

Accepted Answer

Final site for water reabsorption and urine concentration

Question 18

A patient with liver failure is unable to produce bile. Which of the following nutrients will be most affected in absorption?

Accepted Answer

Lipids

Question 19

Which of the following structures is responsible for the production of sperm in the testis?

Accepted Answer

Seminiferous tubules

Question 20

A patient with a blockage in the ureter would most likely experience which of the following?

Accepted Answer

Hydronephrosis due to urine backing up into the kidney

Anatomy Lab Exam 4 Study Guide: Cardiovascular, Respiratory, Urinary, Digestive, and Reproductive Systems

Study Guide - Practice Questions

Study Guide - Flashcards