Complete and Comprehensive BIO 169 Q&A Bundle

The ultimate goal of the endocrine system is: Communication When comparing the endocrine system and the nervous system, the endocrine system: Uses blood borne chemical messengers A lipid soluble hormone such as Cortisol binds a membrane bound receptor and activates a secondary messenger. TRUE OR F...

Left and right atrium chambers located above the left and right ventricles. Blood passes from these chambers and fills the ventricles. Left and right auricles are ear-like appendages found on top of the left and right atria. They serve as blood reservoirs for the atria. This way the atria can hold ...

Which of the following enhances the exchange between capillary walls and the interstitial spaces? The thinness of the capillary wall. Which function does the circulatory system share with the heart? Regulates blood pressure Precapillary sphincters... control the blood flow into capillary beds. Wh...

Alveoli The main site of gas exchange is the ______ A)alveolar duct B)alveolar sacs C)alveoli D)respiratory bronchiole Force with which air rushes across the vocal folds The loudness of a person's voice depends on the ___________. A)thickness of vestibular folds B)strength of the intrinsic larynge...

Growth hormone (GH) From anterior pituitary, targets bone, muscle and fat, effects growth of tissues Thyroid stimulating hormone (TSH) From anterior pituitary, targets thyroid, effects secretion of T3 and T4 Prolactin (PRL) From anterior pituitary, targets mammary glands, effects gland development...

What is the purpose of the digestive system? To break down food into small molecules that can be absorbed for production of energy and as building blocks for cell structures What is the GI tract? The gastrointestinal tract or alimentary canal. It is a tube open at both ends for food transit and pro...

"sends oxygen-poor blood to the lungs to pick up oxygen and unload carbon dioxide" pulmonary circuit "sends oxygen-rich blood and nutrients to all body cells and removes wastes." systemic circuit A hollow muscular organ that pumps the blood through the circulatory system by rhythmic contractio...

The ___ is the first segment of the small intestine when bile and pancreatic juice are mixed into the chyme leaving the stomach duodenum which of the following sphincters is voluntary external anal sphincter the conversion of pepsinogen into the active form, pepsin, requires an acidic pH bacteria...

Coagulation time is the time it takes for clotting to take place when blood is removed from the body. Normal clotting time is 2-6 minutes Coagulation (blood clotting) is a process that prevents excessive blood loss. Fibrin , a long, insoluble thread-like protein holds platelets in place. Tallquis...

GHRH growth hormone releasing hormone Target Organ Anterior Pituitary Effect Causes AP to secret GH Cause of secretion low blood levels of GH Inhibitor GHIH GHIH growth hormone inhibiting hormone Target Organ Anterior Pituitary Effect Inhibits AP from secreting GH Cause of secretion negative f...

The main site of gas exchange is thealveoli The walls of the alveoli are composed of two types of cells, type I and type II alveolar cells. The function of type II alveolar cells is tosecrete surfactant Complete the following statement using the choices below. Air moves out of the lungs when the p...

The functional organization of the nervous system parallels that of the ________ system in many ways. ENDOCRINE ________ are chemical messengers that are released in one tissue and transported in the bloodstream to alter the activities of specific cells in other tissues. HORMONES The hypothalamus ...

Endocrine glandsductless glands - release hormones-vascular & lymphatic supply Exocrine glandshave ducts - nonhormonal products (ex) Endocrinologystudy of hormones Hormoneschemical messenger that is released in the blood to be transported Autocrineterm for hormones that act on same cells that se...

what size is the heart? -what organs border the heart? About the size of a fist. < 1lb -in front of heart is sternum, behind heart is vertebrae and below is diaphragm. lungs beside heart. vein : to or away? what veins carry blood to right side? what veins carry blood to left side? artery: to or ...

I) Three phases of respiration external, internal, and cellular respiration. . 2) __________ is an inflammatory condition of the bronchial system. Asthma 3) _________________the total pressure of a gas mixture is equal to the sum of the partial of all of the gases in the mixture Dalton's Law 4) ...

A bacterial infection A person with an extremely high count of neutrophils is likely suffering __________________. A) anemia B) a bacterial infection C) polycythemia D) a viral infection Supplemental bilirubin injection Which of the following would provide no benefit to a person suffering any one ...

The hypothalamus controls the anterior pituitary using which mechanism? Indirectly by secreting specific regulatory hormones Which hormone is produced by the thyroid gland? Thyroxine What structure secretes melatonin? Pineal gland Where is antidiuretic hormone (ADH) produced? Hypothalamus A 22-y...

The federal government has established dietary guidelines known as the ___ daily allowances. recommended Which are categories that vitamins are separated into? nonessential essential water-soluble fat-soluble ____ include most organic biomolecules needed by organisms to grow and maintain homeostas...

What are antibodies composed of? heavy and light polypeptide chains Passage of antibodies from a pregnant mother to her fetus is an example of which type of immunity? passive immunity B lymphocytes develop immunocompetence in the.... bone marrow What are the 3 functions of the inflammatory response?...

All reproductive structures other than the testes and ovaries are called ____. accessory reproductive organs Each lobule of a testis contains ____, the site of sperm production. seminiferous tubules The ____ carries sperm from their site of production into the urethra. ductus deferens The paired ...

Which of the following organs located just posterior to the spleen and stomach? large intestine What is the anatomical name for the shiny translucent membrane covering the surfaces of the organs? visceral peritoneum Which of the following is a fat-laden peritoneal membrane that covers most of the ...

List and explain the three overall functions of blood. Substance distribution- transports O2, CO2, nutrients, wastes, hormones, salts, H2O Regulation- maintain body temp, normal pH, fluid volume Protection- prevent blood loss by clotting, prevent infection by antibodies & WBC's What is the blood v...

What ions are pumped against their concentration gradient from the mitochondrial matrix into the imtermembrane space during the electron transport chain? Hydrogen What factors are responsible for decrease in volume of the alveoli? Lung recoil and surface tension of water A structure shared by the ...

The pituitary hormone that controls the release of steroid hormones from the adrenal cortex ACTH (adrenocorticotropic hormone) The hormone oxytocin does NOT Respond to osmoreceptors Melatonin is produced by the Pineal gland When blood glucose levels rise, Insulin is released The pancreatic hormo...

What characteristic of life involves the removal of waste products that result from metabolic processes? excretion What is the smallest level of structural organization in the human body? chemical level In laboratory, you will study tissues. This area of study is known as: histology Which organ s...

Which of these is used clinically to impede or prevent blood clotting? heparin All the circulating red blood cells in an adult originate in the red bone marrow The total volume of blood in the body of a 76-kg man is approximately ________________ liters. 5.3 In adults, erythropoiesis exclusively ...

Homeostasis The condition in which the body's internal environment remains relatively constant within physiological limits is Norepinephrine Chemical that acts both as a neurotransmitter in some locations, and as a hormone in other locations .Autocrines Hormones that act on the same cell that sec...

Describe the differences between arteries and veins in terms of the layers of the vessel wall. 1. Arteries has more thicker tunica media 2. Veins has more thicker tunica externa Describe the differences between the three types of capillaries. 1. Continuous: Endothelial 2. Fenestrated: Pores 3. Sinu...