MCAT Sample Test # MCAT/M121

n. denaturation
(a) area at the side of the abdomen between the lowest rib and the top of the buttocks
(b) form of food poisoning caused by the botulinum toxin which attacks the nervous system
(c) process in which proteins lose their tertiary structure leading to the elimination or diminishing of their original features
(d) the external membrane of an embryo
 
n. seminiferous tubules
(a) contagious viral illness that can cause fever; airway problems; muscle pain or more severe symptoms
(b) spatial shape or position; the process of making something
(c) tubules in each lubule of the testis
(d) a 3-dimensional shape
 
n. vas deferens
(a) digestive juice made by the salivary gland
(b) fold of skin that protects the eyeball
(c) paired duct that carries sperm from the testis to the ejaculatory duct
(d) either a red or a white blood cell
 
n. acromegaly
(a) an outbreak of an infectious disease
(b) isomer that has identical covalent arrangements but are different with regard to the arrangement of their groups in space
(c) chronic disease produced by an overactivity of the pituitary gland leading to an enlargement of bones
(d) the amount of energy expended by the body in order to survive at complete rest
 
n. zona pellucida
(a) thick membrane surrounding the female ova
(b) juice made by the liver
(c) two or more atoms of the same or different elements that unite because of Van der Waal's forces
(d) characteristic of substance to be shaped under pressure without breaking

n. convulsions
(a) process in which organic compounds, particularly carbohydrates are broken down by enzymes to produce energy; anaerobic chemical reaction being related to the breakdown of energy-rich compounds like carbohydrates and sugar
(b) fits
(c) the piece of conducting material through which an electric current enters and leaves a liquid or gas
(d) red-brown halogen that is a liquid at room temperature but gives off an irritating vapor
 
n. asexual reproduction
(a) hydrated hydrogen protons formed when an acid dissolves in water
(b) reproduction by one organism
(c) gland releasing fluid secretion called spittle or saliva
(d) sensory cell
 
n. bone marrow
(a) ethyl alcohol; the alcohol in fermented drinks
(b) any substance, chemical or otherwise, which causes abnormalities in the developing fetus
(c) the study of how the embryo develops in the uterus
(d) spongy, red tissue found in the reticulo-endothelial system of mammals
 
n. hysterectomy
(a) chemical element with the symbol P which helps make up nucleic acids
(b) compound that is made up of carbon and hydrogen alone
(c) a state of dependence caused by regular use of addictive drugs e.g. heroine
(d) a surgical operation where the womb is removed
 
n. antigen
(a) substances made in a chemical reaction
(b) fluid secreted from a wound or opening; release at the end of a hospital stay
(c) any substance the body reacts to as foreign or harmful, by producing an antibody against it
(d) drug which affects the central nervous system and cause people to see or experience unusual things outside the range of normal perception