4. Atropine (an anti-cholinergic medication) blocks muscarinic receptors. Which of the following symptoms would you expect to see in a patient who is not in homeostasis because of an excessive atropine dose? (more than one answer possible—circle all that apply) a) decrease in salivation
b) increase in sweating
c) decrease in motility of digestive tract
d) dilation of pupil of eye
e) increase in lacrimation (tear production in eye)
f) decrease in heart rate
g) urinary retention

Which organelle releases chemicals that break down large food particles into smaller ones?

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.