Medical Tests Medical Tests Certifications MCAT-TEST Questions & Answers

• Question 441:

  What is the function of the gall bladder?

  A. to produce insulin

  B. to store insulin

  C. to store bile

  D. to produce bile

  Correct Answer: C

  Bile is produced in the liver and stored in the gall bladder before being concentrated and released into the small intestine to aid digestion.

• Question 442:

  Which of these is not a female sex hormone?

  A. gastrin

  B. follicle stimulating hormone

  C. progesterone

  D. estrogen

  Correct Answer: A

  Gastrin is a hormone that stimulates the secretion of gastric acid in the stomach.

• Question 443:

  Which option occurs as a result of inbreeding?

  A. heterozygosity increases

  B. homozygosity decreases

  C. homozygosity increases

  D. none of these

  Correct Answer: C

  Inbreeding increases the chances of inheriting identical genes from parents.

• Question 444:

  The James-Lange Theory of Emotion proposes that:

  A. a person's thoughts about physiological reactions determine emotions.

  B. physiological changes have no influence on emotions.

  C. emotions cause physiological reactions.

  D. physiological changes influence emotions.

  Correct Answer: D

  The named theory states that physiological changes can have an effect on one's emotions. Another theory ?the Schachter and Singer one ?suggests that it is our thinking about these changes that produces emotions.

• Question 445:

  According to Erik Erikson, identity formation is intense during what stage of life?

  A. early childhood

  B. early adulthood

  C. birth through 2 years

  D. adolescence

  Correct Answer: D

  According to Erikson, the formation of identity is affected by many factors, but its development peaks during adolescence.

• Question 446:

  According to Piaget, which is the first stage of cognitive development?

  A. sensorimotor

  B. formal operational

  C. concrete operational

  D. preoperational

  Correct Answer: A

  This stage is a period of rapid cognitive growth which occurs from 0 to 2 years. The other options are later stages.

• Question 447:

  When food passes through alimentary canal, the proteins are digested in:

  A. mouth, stomach and duodenum.

  B. stomach, pancreas and caecum.

  C. stomach, duodenum and ileum.

  D. duodenum, ileum and live.

  Correct Answer: C

• Question 448:

  Which blood vessel carries absorbed food material from intestine to the liver?

  A. Vena cava

  B. Hepatic artery

  C. Hepatic vein

  D. Hepatic portal vein

  Correct Answer: D

• Question 449:

  Which two elements are needed for the production of chlorophyll?

  A. Phosphorus and Sulfur

  B. Chlorine and Copper

  C. Magnesium and Iron

  D. Calcium and Phosphorus

  Correct Answer: C

• Question 450:

  When a person faces an unexpected threat, which hormone is activated as a defensive response?

  A. Cortisone

  B. Androgens

  C. Adrenaline

  D. Nora-adrenaline

  Correct Answer: C