Behavioural and Allied Sciences
61. Chemical messengers secreted by ductless glands are called ______________
- Lymph
- Platelets
- Plasma
- Hormones
Correct answer: (D)
Hormones
62. Which of the following is a physiological function that is mediated by a hormone released by the posterior pituitary:
- maturation of the egg and sperm
- water retention
- decrease in calcium levels
- increase in thyroid hormone level
Correct answer: (B)
water retention
63. Name the gland that is located at the base of the throat, just inferior to the laryngeal prominence (Adams apple)
- Pituitary
- Pineal gland
- Hypothalamus
- Thyroid
Correct answer: (D)
Thyroid
64. How do hormones from the thyroid and parathyroid regulate the calcium concentration of the blood:
- Calcitonin lowers blood calcium; parathyroid hormone raises blood calcium
- Parathyroid hormone lowers blood calcium; calcitonin raises blood calcium
- Thyroxine and triiodothyronine together regulate calcium levels, as needs dictate
- Both parathyroid hormone and the three thyroid hormones function to regulate blood calcium levels.
Correct answer: (A)
Calcitonin lowers blood calcium; parathyroid hormone raises blood calcium
65. Most hormones of the endocrine system are regulated by a
- Negative feedback mechanism
- Positive feedback mechanism
- Hormone-receptor complex
- Hormone-gene complex
Correct answer: (A)
Negative feedback mechanism
66. Gonorrhea is treated by antibiotics. What problem has occurred recently in treatment:
- antibiotics have been in short supply
- the bacteria that cause gonorrhea have become resistant to certain antibiotics
- people have developed an allergic reaction to certain antibiotics
- all of the above
Correct answer: (B)
the bacteria that cause gonorrhea have become resistant to certain antibiotics
67. The feedback loop for production of sex hormone in women does not include
- hypothalamus
- pituitary gland
- follicle stimulating hormone
- introitus
Correct answer: (D)
introitus
68. Which of these is a symptom of HIV infection:
- swollen lymph nodes
- fever
- tiredness
- all the above
Correct answer: (D)
all the above
69. The insertion of male genitalia into the female genitalia is
- coitus
- intromission
- fertilization
- copulation
Correct answer: (B)
intromission
70. Men need time to go back to the orgasm stage from the resolution stage called
- recovery period
- recoup period
- refractory period
- retrieval period
Correct answer: (C)
refractory period
Saturday, January 8, 2022