Blog

80) Which of the following best defines negative nitrogen balance? A) Protein breakdown exceeds protein synthesis. B) It is a condition usually caused by having a diet low in fish and meat. C) A negative nitrogen balance is normal and is a way of maintaining homeostasis. D) It occurs when amino acids are broken down by liver enzymes and carried to the bloodstream.  

(Recall the cross-sectional diagram of the cochlea) Which of the following spaces (if you follow the path of perilymph vibration in the cochlea) is continuous with the round window? A) Scala vestibuli B) Scala media (cochlear duct) C) Scala tympani  

Which of the following is true about gustatory receptors and gustation? A) In order for a chemical to be sensed, it must be nonvolatile and hydrophobic (“water fearing”) B) The facial nerve transmits impulses from the posterior one-third of the tongue to the brain. C) For a chemical to be tasted, it does not have to diffuse into the taste pore and activate the gustatory hair. D) Gustatory receptors are activated by five different chemical modalities (the book calls them qualities)

49) ________ is the most common type of fetal testing. A) Blood chemistry B) Amniocentesis C) A DNA probe D) CVS  

18) Which of the following glands are responsible for 70% of the synthesis of semen? A) the seminal vesicles B) the bulbourethral glands C) the prostate D) the pituitary  

Signals of the peripheral nervous system travelling to important integration organs are called ___________ impulses.  A) motor B) somatic C) autonomic D) sensory

32) Which method of contraception would you predict to be most reliable?      A) cervical cap      B) rhythm method      C) vasectomy      D) morning-after pills  

In the eyeball, when sympathetic input increases and parasympathetic input decreases, ciliary muscles (suspensory ligaments) are  ________, the ciliary zonule is ________, and the lens is ________.. A) contracted; tightened; bulged B) contracted; loosened; flattened C) relaxed; tightened; flattened D) relaxed; loosened; bulged

29) Which of the choices below occurs if implantation is successful? A) The corpus luteum is maintained until the placenta takes over its hormone-producing functions. B) The corpus luteum degenerates and becomes the corpus albicans. C) The ovarian cycle begins. D) Increased levels of FSH will be produced.  

30) The primary function of the uterus is to ________. A) protect the ovaries B) synthesize female hormones C) regulate the ovarian and menstrual cycles D) receive, retain, and nourish a fertilized ovum