Behavioural and Allied Sciences Online MCQ Set 6

QN01. The middle ear contains three little bones. They are

1. pinna, cochlea, cilia
2. incus, anvil, stapes
3. hammer, anvil, stirrup
4. tympani, ossicle, pinna

Answer

(C)hammer, anvil, stirrup

QN02. The optic nerve first reaches ______________ before reaching superior colliculus.

1. ventral cochlear nucleus
2. inferior colliculus
3. lateral geniculate nucleus
4. medial geniculate nucleus

Answer

(C)lateral geniculate nucleus

QN03. The primary role of parathyroid gland is

1. to maintain homeostasis
2. to send hormonal signals to other glands
3. to regulate serum calcium levels
4. to receive hormonal signals from the hypothalamus

Answer

(C)to regulate serum calcium levels

QN04. Steroid hormones include the following

1. thyroid hormones and adrenal cortical hormones
2. pancreatic and thyroid hormones
3. hormones and adrenal medullary hormones
4. sex hormones and adrenal cortical hormones

Answer

(D)sex hormones and adrenal cortical hormones

QN05. Islets of Langerhans are found in

1. anterior pituitary
2. kidney cortex
3. spleen
4. endocrine pancreas

Answer

(B)kidney cortex

QN06. The pituitary hormone that stimulates the male testes to produce sperm and stimulates the development of the follicle in the female on a monthly cycle is

1. growth hormone
2. luteinizing hormone
3. prolactin
4. follicle-stimulating hormone

Answer

(B)luteinizing hormone

QN07. Which of the most common STI caused by bacteria:

1. gonorrhea
2. syphilis
3. Chlamydia
4. genital warts

Answer

(C)Chlamydia

QN08. The risk for HIV/AIDS is tied to which behavior:

1. not wearing latex condoms during intercourse
2. injecting drugs
3. both a and b
4. spending time with someone who has AIDS

Answer

(C)both a and b

QN09. A condition passed from one person to another through sexual contact is

1. sexual dysfunction
2. sexual disorder
3. sexually transmitted disease
4. sexual disease

Answer

(C)sexually transmitted disease

QN10. Estrogens and testosterone are steroid hormones and most likely bind to ______________

1. Cytoplasmic receptors
2. Membrane ion channels
3. Enzyme linked membrane receptors
4. G protein coupled receptor

Answer

(A)Cytoplasmic receptors

QN11. A protective layer that surrounds the axons of neurons is called as the

1. myelin sheath
2. cell body
3. axon terminal
4. axon

Answer

(A)myelin sheath

QN12. communication between neurons is ______________

1. synaptic transmission
2. synapse
3. action potential
4. resting potential

Answer

(A)synaptic transmission

QN13. ______________ consists the Brain and spinal cord

1. CNS
2. PNS
3. both
4. none of the above

Answer

(A)CNS

QN14. Very deeep grooves in the brain is called as ______________

1. fissures
2. sulcus
3. gyri
4. gyrus

Answer

(A)fissures

QN15. ______________ leads to reduction of speech.

1. wernicks area
2. wernicks aphasia
3. brocas area
4. brocas aphasia

Answer

(D)brocas aphasia

QN16. Substantia Nigra is ______________ present in the mid brain.

1. a black substance
2. a white substance
3. a grey substance
4. none of the above

Answer

(A)a black substance

QN17. ______________ regulates the eye movements.

1. midbrain
2. pon
3. RAS
4. medulla

Answer

(B)pon

QN18. The process by which activities are started, directed, and sustained to meet a persons wants is called a

1. Drive-reduction
2. Arousal
3. Incentive
4. Humanistic

Answer

(B)Arousal

QN19. Which of the following differentiates an antigen from an immunogen:

1. An antigen does not always elicit an immune system
2. An antigen is a foreign molecule
3. An antigen can cause the production of antibodies
4. Antigens are usually proteins or polysaccharides

Answer

(A)An antigen does not always elicit an immune system

QN20. What is phagocyte:

1. The pouch in which a consumed cell or cellular debris has been contained
2. The cell that engulfs another cell or debris by phagocytosis
3. Any immune cell
4. A macrophage

Answer

(B)The cell that engulfs another cell or debris by phagocytosis

QN21. Damage to which hemisphere could cause an inability to recognize and interpret emotions

1. Left
2. Middle
3. Hypothetical
4. Right

Answer

(D)Right

QN22. Visual accommodation involves a change in which structure:

1. lens
2. cornea
3. retina
4. fovea

Answer

(A)lens

QN23. The optic nerve carries information to

1. the retina then the cortex
2. the retina then the thalamus
3. the thalamus then the cortex
4. the cornea then the retina

Answer

(C)the thalamus then the cortex

QN24. Signal detection analysis examines our ability to

1. tell the difference between blue and green
2. detect signals of distress in a baby
3. detect the latent meaning of a dream
4. separate true signals from background noise

Answer

(D)separate true signals from background noise

QN25. This plays a major role in light adaptation.

1. hair cells
2. rods
3. cones
4. medial nucleus

Answer

(C)cones

QN26. Name the hormone, which is released by the posterior pituitary.

1. Oxytocin
2. TSH
3. ICSH
4. Prolactin

Answer

(A)Oxytocin

QN27. The concentration of hormones in the bloodstream is regulated by

1. production of receptor antagonists
2. indirect growth promoting effects
3. nutritional signals to the endocrine gland
4. positive and negative feedback loops

Answer

(D)positive and negative feedback loops

QN28. The endocrine gland which contributes to setting the bodys biological clock is the

1. pineal gland
2. pituitary gland
3. thymus gland
4. thyroid gland

Answer

(A)pineal gland

QN29. Which of the following hormones are responsible for the fight-or-flight response:

1. Epinephrine and norepinephrine
2. Insulin and glucagon
3. Esrtogen and progesterone
4. Thyroxin and melatonin.

Answer

(A)Epinephrine and norepinephrine

QN30. STIs are most common in which age group:

1. Teens and young adults up to age 24
2. People ages 30 to 45
3. People 60 and older
4. All of the above

Answer

(A)Teens and young adults up to age 24

QN31. To lower your risk of getting an STI

1. use a condom
2. do not have multiple sex partners
3. as a young person, delay having sexual relations as long as possible
4. all the above

Answer

(D)all the above

QN32. Castration in adulthood

1. will produce a high voice because of decreased testosterone production
2. will produce a high voice because of the pain that accompanies the procedure
3. will not produce a high voice because the larynx has already grown
4. The research is still unclear about the effects of castration on the larynx

Answer

(C)will not produce a high voice because the larynx has already grown

QN33. When do the women become sexually receptive:

1. ovulation
2. menstrual cycle
3. cyst formation
4. menstruation

Answer

(A)ovulation

QN34. The third and shortest phases of the sexual response cycle is

1. resolution
2. orgasm
3. plateau
4. excitement

Answer

(B)orgasm

QN35. Soma is also called as ______________

1. cell body
2. dendrite
3. axon
4. neuron

Answer

(A)cell body

QN36. Microglia is a type of ______________

1. glial cells
2. nerve cells
3. neurons
4. none of the above

Answer

(A)glial cells

QN37. Drugs that excite neurons and cause them to fire are called ______________

1. agonists
2. transmitters
3. receptors
4. none of the obove

Answer

(A)agonists

QN38. Bark of the tree is the meaning for ______________

1. cerebrum
2. cerebellum
3. cerebral cortex
4. hemisphere

Answer

(C)cerebral cortex

QN39. Which of the following is the largest lobe:

1. frontal lobe
2. parietal lobe
3. occipital lobe
4. temporal lobe

Answer

(A)frontal lobe

QN40. A Part of the brain located in the medial temporal lobe which consisting mainly of grey matter which plays the role in memory and emotion.

1. Amygdala
2. Hippocampus
3. Fornix
4. Thalamus

Answer

(B)Hippocampus