BSCI202 Final Exam Review QuestionsAnswers

BSCI202 Final Exam Review – Questions/Answers Indicate the changes that would occur throughout the blood after prolonged exposure to environmental hypoxia.

• Increased Neutrophils
• Increased Erythrocytes
• Increased Prothrombin
• Increased Platelets ✔️Ans - B

Which of the following is the reason that males have a higher proportion of erythrocytes in their blood than females.

• Erythrocytes in males survive on average 10 days longer than erythrocytes

of females which leads a greater number of erythrocytes

• In males, each erythrocyte holds fewer hemoglobin molecules and

therefore more erythrocytes are needed

• Males produce more testosterone which produces more erythropoietin
• None of the listed answers are correct
• On average, males are larger and have more liters of blood resulting in a

positive feedback loop creating more erythrocytes ✔️Ans - C Pyrogens (choose the option that creates a true sentence).

• cause blood vessels to dilate which results in increased blood flow to a

region which in turn increases the temperature of that region

• act on the hypothalamus causing the overall body temperature to increase
• is a type of phagocyte activated as part of the innate immune system
• are activated by skin surface receptors when something hot is touched

✔️Ans - B A patient with low iron levels is most likely to experience which of the following symptoms?

• An increase in energy level
• An increase in fatigue
• A decreased white blood cell count
• An increased white blood cell count ✔️Ans - B 1 / 2

Name the most abundant type of agranulocyte.

• Monocyte
• Lymphocyte
• Neutrophil
• Erythrocyte
• Leukocyte ✔️Ans - B

Exposed collagen fibers and activated platelets ...

• All of the listed answers
• Help initiate the extrinsic pathway of phase 1
• Are involved in the temporary platelet plug formation
• Two of the listed answers
• Help initiate the intrinsic pathway of phase 1 ✔️Ans - D

If your patient had AB- blood, and was given a packed red blood cell transfusion from an individual with B- blood, your patient will likely experience hemolytic anemia.

• True
• False ✔️Ans - B

A patients heart rate is 65 beats per minute. After atrial contraction, but prior to ventricular contraction, 82 ml of blood was in the left ventricle. After systole, 7 ml of blood remained in the left ventricle. Calculate the patient's cardiac output. ✔️Ans - 4875 ml per min Tachycardia could result from...

• Bradycardia
• Sympathetic nervous system input
• Parasympathetic nervous system input
• Not enough dietary calcium ✔️Ans - B

A patient's blood pressure is 120/80. What is her mean arterial pressure?

A) 93.3

B) 120

• 80

D) 100

• 105.6 ✔️Ans - A
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