Which of the following factors contributes to the flow of blood in veins?

A) skeletal muscle contractions
B) the number of red blood cells in venous blood
C) the diameter of capillaries
D) blood pressure generated by the heart


Answer: A

Biology & Microbiology

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Ethanol is an inhibitor of ADH. Therefore, a person

consuming a mixed drink excretes a. less water because ADH promotes reabsorption. b. the alcohol because ADH cannot degrade it. c. ketone bodies formed from the alcohol. d. more water because ADH normally promotes reabsorption. e. more water plus the alcohol due to the ADH inhibition.

Biology & Microbiology

Continuous inheritance is often related to the term quantitative inheritance. Why?

What will be an ideal response?

Biology & Microbiology

Which region of the brain helps regulate body temperature, endocrine activity, and water balance?

A) Medulla B) Thalamus C) Cerebrum D) Hypothalamus E) Cerebellum

Biology & Microbiology

The habitats most favorable for the growth of legumes in symbiosis with nitrogen-fixing bacteria are

A. calcium-poor soils. B. nitrogen-poor soils. C. phosphorus-poor soils. D. manganese-poor soils. E. potassium-poor soils.

Biology & Microbiology