Which of the following is an example of a nonmembranous organelle?
A) nucleus
B) cilia
C) endoplasmic reticulum
D) peroxisomes
E) mitochondria
Answer: B
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Which of the following processes provides a long-term response to changes in blood pressure?
A) chemoreceptor-initiated reflexes B) neural controls C) renal regulation D) baroreceptor-initiated reflexes
Sebaceous glands secrete
A) sweat in the armpits. B) fat globules that mix with cellular debris, forming sebum. C) mucus. D) hormones.
All of the following may cause ketones to be found in the urine EXCEPT ________
A) a diet very low in carbohydrates B) a diet very low in protein C) starvation D) diabetes mellitus
Insulin is produced by:
a. Alpha cells in the pancreatic isles b. Chief cells in the stomach c. Beta cells in the pancreatic islets d. Alpha cells in the adrenal medulla e. Parafollicular cells in the thyroid gland