BIOL 251 Exam Questions and answers (100% correct) | Latest Update 2026/2027 | Graded A+.

BIOL 251 Exam Questions and answers (10
correct) | Latest Update 2026/2027 | Grad


Question 1 of 50
Which of the following can result from hyperparathyroidism?

A. increased bone deposition

B. fractures

C. convulsions

D. low blood calcium levels

E. All of the above are true.




Feedback: Good work; your answer is correct!

Question 2 of 50
The nervous system uses which of the following types of intercellular communication?

, A. Electrical and hormonal

B. Direct and hormonal

C. Hormonal and chemical

D. Direct and chemical

E. Electrical and chemical




Feedback: Good work; your answer is correct!




and released from sex organs include which of the following?

, A. estrogen and progesterone

B. testosterone

C. inhibin

D. FSH and LH

E. A, B, and C are all correct




Feedback: Good work; your answer is correct!

Question 4 of 50
The female’s uterus secretes the following hormone:

A. Progesterone

B. None

C. FSH

D. hPL

E. Estrogen

, Question 6 of 50
Stage one of GAS is called the alarm reaction. This is short-term stress, the fight-or-flight response, 2.0/
by the hormones and from the adrenal medulla.