Physiology Exam 1 with 100%
correct answers ( graded A+)
What is the function of glycocalyx? - answer Functions in cell-to-
cell recognition
Where does the transition from glucose-6-phosphate into free
glucose take place? - answer Liver
How does oral rehydration therapy work? - answer Cotransport of
Na+ and glucose
What structure is continuous with the rough endoplasmic
reticulum? - answer Nuclear Envelope
What is the function of an integral protein? - answer Could act as
a receptor
How does water diffuse across a cellular membrane? - answer
Simple diffusion (osmosis)
How would insulin be absorbed into a cell? - answer Receptor
mediated endocytosis
,What is the etiology of familial hypercholesterolemia? - answer
Cells lack the receptors that bind to cholesterol binding LDLs
What is the etiology of marfan syndrome? - answer Defect of a
gene in chromosome 15
NOT a function of smooth endoplasmic reticulum: - answer It has
no ribosomes and is involved in protein production
Gaucher's disease deals with the lack of - answer
Glucocerebrosidase enzyme
Which step of the cell life cycle is not present in interphase? -
answer G3
Which of the following is absent in Meiosis II? - answer Crossing
over
A patient walks in and you diagnose him with Klinefelter
syndrome. How would you explain this to the patient? - answer
Disjunction of an X chromosome
A gamete contains - answer 23 single chromosome and 1N
amount of DNA
The mitochondrial theory of aging involves a decrease of energy
production by radical-damaged mitochondria.
,Which of the following vitamins act as antioxidants and prevent
excessive production of free radicals? - answer Vitamin C and E
Programmed cell death contributes to many diseases. The disease
that results from extensive nerve cell loss is: - answer Alzheimers
NOT a characteristic of malignant neoplasm - answer Is a local
mass, remained encapsulated, compacted, grows slowly
NOT a characteristics are correct for phagocytosis - answer
Exocytosis
Which of the following epithelial tissues allows the bladder to
distend? - answer Transitional
Which of the following methods of exocrine secretion is used in
the mammary glands? - answer Apocrine
NOT a characteristics of gap junctions - answer Connected by 7
hollow cylinders of protein
Fibrilin-1, a glycoprotein, is linked to the disorder Marfan
syndrome.
What is the purpose of fibrilin? - answer Fibrilin is essential for
the formation of the elastic fibers found in connective tissue
, A patient walks in with Ehlers-Danlos syndrome.
Which of the following collagens are defected? - answer Collagen
III
Permeability of the cell membrane increases with increasing -
answer Oil/water partition coefficient
NOT a characteristics of Type I Diabetes - answer Hypoglycemia
Gastric parietal cell transports H+ into the stomach by - answer
Primary Active Transport
NOT a characteristic of a tight junction - answer They are located
near the basal surface of the cell
What is an atomic number? - answer Number of protons
What is a neutralization reaction? - answer Equal number of
hydrogen and hydroxide ions
Four types of tissue: - answer Muscle ; Epithelial ; Nervous ;
Connective (MENC)
Three types of muscle: - answer Skeletal ; Smooth ; Cardiac