BSC1085C Exam #1 Study Guide Flashcards

A set of practice questions based on the learning outcomes and specific terminology provided in the BSC1085C Exam #1 Study Guide.

What are the three components of a negative feedback mechanism?

The three components are the receptor, control center, and effector.

Which physiological processes are associated with positive feedback mechanisms?

Blood clotting and childbirth.

What results from the transfer of electrons in an ionic bond?

It results in cations and anions, such as $NaCl$.

What is the difference between polar and nonpolar molecules according to Chapter 2?

Polar molecules are exemplified by water, while nonpolar molecules are exemplified by hydrogen molecules.

How are synthesis and decomposition reactions classified?

Synthesis reactions are anabolic, and decomposition reactions are catabolic.

How do protein catalysts like enzymes affect chemical reactions?

They speed up reactions by lowering the activation energy.

What are the four structural levels of proteins?

Primary, secondary, tertiary, and quaternary.

How does cyanide poisoning affect cellular function in Case Study 2.1?

It affects active transport by blocking $ATP$.

What is the definition of apoptosis?

Programmed cell death.

What are the three secretion patterns associated with glands?

Merocrine, apocrine, and holocrine secretion patterns.

What is the structural difference between spongy bone and compact bone?

Spongy bone is characterized by trabeculae, whereas compact bone is characterized by lamellae.

What are the two types of molecular tissue profiles for cancer mentioned?

Carcinoma and sarcoma.

Which layer of the dermis is responsible for fingerprints?

The dermal papillary layer.

What are the three types of cartilage mentioned in the study guide?

Hyaline, fibro-, and elastic cartilage.

What are the major physiological roles of the integumentary system?

Protection, sensation, temperature regulation, vitamin D production, and excretion.

What aspect of burns is addressed by the 'rule of nines'?

It is used for the classification and systems pathology of burns.